131532829 has 4 divisors (see below), whose sum is σ = 134591776. Its totient is φ = 128473884.

The previous prime is 131532799. The next prime is 131532851. The reversal of 131532829 is 928235131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 928235131 = 239 ⋅3883829.

It is a cyclic number.

It is not a de Polignac number, because 131532829 - 2⁷ = 131532701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131532794 and 131532803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131532229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529409 + ... + 1529494.

It is an arithmetic number, because the mean of its divisors is an integer number (33647944).

Almost surely, 2^131532829 is an apocalyptic number.

It is an amenable number.

131532829 is a deficient number, since it is larger than the sum of its proper divisors (3058947).

131532829 is an equidigital number, since it uses as much as digits as its factorization.

131532829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058946.

The product of its digits is 12960, while the sum is 34.

The square root of 131532829 is about 11468.7762642751. The cubic root of 131532829 is about 508.5629531708.

The spelling of 131532829 in words is "one hundred thirty-one million, five hundred thirty-two thousand, eight hundred twenty-nine".